ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2025, V. 22, No. 6, pp. 353-364

Improving the accuracy of carbon monoxide emission calculation in the balance method based on satellite observation data

E.V. Pashinov 1 , D.M. Ermakov 1, 2 , S.A. Vturin 1 
1 Space Research Institute RAS, Moscow, Russia
2 Kotelnikov Institute of Radioengineering and Electronics RAS, Fryazino Branch, Fryazino, Moscow Region, Russia
Accepted: 06.11.2025
DOI: 10.21046/2070-7401-2025-22-6-353-364
Algorithmic improvements to a balance methodology under development for calculating trace gas emission based on satellite monitoring of atmospheric chemical composition are described. The accuracy of integrated estimates of vertical substance exchange between the atmosphere and the underlying surface has been improved, as demonstrated by calculating carbon monoxide emissions from large forest fires and comparing them with independent model estimates. A comparison methodology previously described by the authors has been applied, and the improvements achieved in the new version of the algorithms have been demonstrated using the data sample considered earlier. The correlation between calculated and modeled values of integrated carbon monoxide emissions from 21 large forest fires has increased from 0.88 to 0.91. At the same time, the frequencies and amplitudes of negative values in the daily balance time series, which have no physical meaning and should be explained by errors (artifacts) in the balance methodology, have sharply decreased. The latter circumstance has independent significance in the broader context of practical applications, since in the future the balance method being developed is planned to be used, in particular, for calculating the integrated emission/absorption of various gas components in the territory of Russia and neighboring states, individual regions and administrative-territorial units.
Keywords: balance method, carbon monoxide emission, satellite monitoring, forest fires
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